Twin battery pack



FIG. 1 is a front perspective view, showing our new design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a side elevation view from the opposite side shown in FIG. 2;

FIG. 4 is a front elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a top plan view; and,

FIG. 7 is a bottom plan view from the opposite side shown in FIG. 6, with the cables removed for ease of illustration. 

We claim, the ornamental design for a twin battery pack, as shown and described. 